85148417 has 4 divisors (see below), whose sum is σ = 85552176. Its totient is φ = 84744660.

The previous prime is 85148411. The next prime is 85148423. The reversal of 85148417 is 71484158.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 71484158 = 2 ⋅35742079.

It is an interprime number because it is at equal distance from previous prime (85148411) and next prime (85148423).

It is a cyclic number.

It is not a de Polignac number, because 85148417 - 2²⁴ = 68371201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85148411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 201563 + ... + 201984.

It is an arithmetic number, because the mean of its divisors is an integer number (21388044).

Almost surely, 2^85148417 is an apocalyptic number.

It is an amenable number.

85148417 is a deficient number, since it is larger than the sum of its proper divisors (403759).

85148417 is a wasteful number, since it uses less digits than its factorization.

85148417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403758.

The product of its digits is 35840, while the sum is 38.

The square root of 85148417 is about 9227.5899887240. The cubic root of 85148417 is about 439.9387259716.

The spelling of 85148417 in words is "eighty-five million, one hundred forty-eight thousand, four hundred seventeen".